"""Module for preprocessing radio astronomy data."""


class Preprocessor:
    """Base class for data preprocessing."""
    
    def __init__(self):
        pass
        
    def clean_data(self, data):
        """Clean input data."""
        pass
        
    def normalize_data(self, data):
        """Normalize data values."""
        pass
        
    def filter_data(self, data, filter_params):
        """
        Apply filters to data.
        
        Args:
            data: Input data to filter
            filter_params: Parameters for filtering (placeholder for future implementation)
            
        Returns:
            Filtered data (currently returns input data as placeholder)
        """
        # Placeholder implementation - just return the data as-is
        # In a full implementation, this would apply various filters based on filter_params
        return data